大约有 20,000 项符合查询结果(耗时:0.0487秒) [XML]

https://stackoverflow.com/ques... 

Convert nullable bool? to bool

... didn't seem to work inside Linq (perhaps it's just VB.NET?) - I have just tested and it does throw an invalid cast exception – Luke T O'Brien Mar 9 '17 at 9:38 ...
https://stackoverflow.com/ques... 

How to use the pass statement?

... submit(self, tasks): pass def retrieve(self, deferred_results): pass Testing that code runs properly for a few test values, without caring about the results (from mpmath): for x, error in MDNewton(mp, f, (1,-2), verbose=0, norm=lambda x: norm(x, inf)): pass In cl...
https://stackoverflow.com/ques... 

Merge branch with trunk

... branch In a team environment I would suggest that you first merge the latest modifications from the trunk in your branch, make sure that everything compiles and works, then do the above steps (which will be trivial since you've already tested the changes). Update In step 5, I mention killing ...
https://stackoverflow.com/ques... 

Why static classes cant implement interfaces? [duplicate]

... application I want to use a Repository that will do the raw data access ( TestRepository , SqlRepository , FlatFileRepository etc). Because such a repository would be used throughout the runtime of my application it seemed like a sensible thing to me to make it a static class so I could go ...
https://stackoverflow.com/ques... 

What does “Could not find or load main class” mean?

..." - which means no package declaration at the top of the file. For a quick test of some code, I did: javac TestCode.java followed by java TestCode – Someone Somewhere Jan 3 '16 at 17:12 ...
https://stackoverflow.com/ques... 

How to pass argument to Makefile from command line?

...&& echo $${arg:-${1}}` Here is a job which might call this one: test: @echo $(call args,defaultstring) The result would be: $ make test defaultstring $ make test hi hi Note! You might be better off using a "Taskfile", which is a bash pattern that works similarly to make, only wit...
https://stackoverflow.com/ques... 

Verify if a point is Land or Water in Google Maps

... This what I use and it is working not too bad... you can improve the test if you have more cpu to waste by adding pixels. function isItWatter($lat,$lng) { $GMAPStaticUrl = "https://maps.googleapis.com/maps/api/staticmap?center=".$lat.",".$lng."&size=40x40&maptype=roadmap&sens...
https://stackoverflow.com/ques... 

Maven2: Best practice for Enterprise Project (EAR file)

... |-- beans.xml | | `-- persistence.xml | `-- test | |-- java | | `-- com | | `-- foo | | `-- test | | `-- MemberRegistrationTest.java | `-- resources |-- Foo-web | |-- pom.xml ...
https://stackoverflow.com/ques... 

python: How do I know what type of exception occurred?

... interpreter prints exception: Traceback (most recent call last): File "test.py", line 9, in <module> calculate() File "test.py", line 6, in calculate raise CustomException("hi") __main__.CustomException: hi After raise original exception continues to propagate further up the ca...
https://stackoverflow.com/ques... 

Database development mistakes made by application developers [closed]

...any developers forget this and start treating a "means" as an "end". Unit testing is a prime example of this. I once worked on a system that had a huge hierarchy for clients that went something like: Licensee -> Dealer Group -> Company -> Practice -> ... such that you had to join a...